This standard specifies tire specifications, basic parameters, main dimensions, usage condition characteristics, technical requirements, inspection rules, test methods, marking and packaging. This standard applies to all kinds of pneumatic tires (including tires and pads) of bias and radial structures for trucks, buses and their trailers. GB 9744-1997 Truck tires GB9744-1997 standard download and decompression password: www.bzxz.net

GB9744-1997 | The specifications and sizes of some tires also refer to the European Tire and Rim Technical Organization (ETRTO) Yearbook 1994 and the Japanese Motor Vehicle Tire Manufacturers Association (JATMA) Yearbook 1994. The purpose of equivalently adopting and referring to the above-mentioned foreign advanced standards is to integrate the content of my country's tire standards with advanced foreign standards as soon as possible to meet the needs of international economic trade and scientific and technological exchanges. Compared with the original standard, this standard has major changes in technical content, that is, the original two product standards for truck bias tires and truck radial tires have been merged into one, and various types of light load, medium load and For the radial tire specifications of heavy-duty trucks, the maximum driving speed index of the tire has been adjusted and improved, the tire mileage guarantee clause has been cancelled, and the backward and retained tires have been greatly eliminated. While actively interchangeable with international advanced standards, it also retains It contains those contents in the original standards that have been proven to be suitable for my country's national conditions without affecting their integration with international standards.
This standard will replace GB516-89 and GB9744-88 from the effective date. Appendix A of this standard is the standard appendix, and Appendix B and Appendix C are reminder appendices. This standard is proposed by the Ministry of Chemical Industry of the People's Republic of China. This standard is under the jurisdiction of the National Tire and Rim Standardization Technical Committee. This standard is entrusted to the National Tire and Rim Standardization Technical Committee to be responsible for interpretation. This standard was drafted by: Qingdao Second Rubber Factory, Dongfeng Tire Group Company, Beijing Rubber Industry Research and Design Institute of the Ministry of Chemical Industry. The main drafters of this standard: He Xuesheng, Liu Tongxiang, Liu Shifang, Wang Kexian, Shan Jibao, and Wang Jinlan. This standard was first published in January 1965 (the truck radial tire part was first published in May 1988), revised for the first time in October 1974, revised for the second time in March 1982, and revised for the second time in March 1989. Third revision. 196
1
Scope
National Standard of the People's Republic of China
Truck tires
Truck tires
GB 9744 - 1997||tt ||Replace
GB 516—89
GB 9744---88
This standard specifies tire specifications, basic parameters, main dimensions, usage condition characteristics, technical requirements, and inspection rules , test methods, marking and packaging.
This standard applies to all kinds of pneumatic tires (including tires and pads) of bias and radial structures for trucks, buses and their trailers. 2 Referenced standards
The provisions contained in the following standards constitute provisions of this standard by being quoted in this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties using this standard should explore the possibility of using the latest version of the standard listed below. GB/T521-93 Method for determination of tire outer edge size GB/T2977--1997 Truck tire series GB/T4501-84 Truck tire durability test method Rotating drum method
GB/T6327-1996 Truck tire strength Test method GB/T7035-93 Light truck tire high-speed performance test method Drum method HG/T2177-1998 Tire appearance quality
HG/T2443--93 Tire static load performance test method 3 requirements
3.1 Tire specifications, basic parameters and main dimensions should comply with Table 1, Table 3, Table 5, Table 7, Table 9, Table 11, Table 13, Table 15 and Table 17. 3.2 The corresponding relationship between tire pressure and load should comply with Table 2, Table 4, Table 6, Table 8, Table 10, Table 12, Table 14, Table 16, Table 18. Table 1 Micro-load normal section bias tire
Basic parameters
Tire specifications
Level
Standard
rim
4.50-12ULT4+ 6,83.00B
5. 00—10 ULT
5. 00. 12 UI.T
6.8
After inflating new tires
Cross-section highway Pattern
Width
127
3.50B143
Outer diameter
545
517
568
The main dimensions approved by the State Bureau of Technical Supervision on September 10, 1997.mm
Maximum tire size
Under load
Static radius
254
240| |tt||265
Section
Width
137
154
Outer diameter
558
530|| tt||582
twin tires
minimum
center distance
146
164
valve
Model| |tt||Z1-02-1
Z1-02-1
Z1-02-1
rims allowed
3/J.3.00D,3.50 B
3. 00D,3. 50D
3. 00D,3. 00B,4J
3/2J.4.00B
Implemented on 1998-02-01| |tt||197
tire specifications
note
basic parameters
standard
layer
rim
new tire After inflation
GB9744--1997
Table 1 (End)
Main dimensions, mm
Maximum tire size
Sectional road pattern! Under load
Width
Outer diameter
　Static radius
Section
Width
Outer diameter
Twin tires| | tt | Valve
Model
Mini truck tires generally do not require pads. If the user needs padding, the manufacturer can negotiate with the user. 2
3
If the user requires other types of valves, the user can negotiate with the manufacturer. The static radius under load and the maximum size of the tire are the reference data for use 198
Allow the use of wheel sheaths
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